566a050c23
- move files out of toplevel include/ and etc/, moving it into the
sub-projects
- rather than including config headers with <project>/include,
have them as <project>
- require all headers to be included with a project prefix, with
the exception of the config headers ({opal,orte,ompi}_config.h
mpi.h, and mpif.h)
This commit was SVN r8985.
85 строки
3.8 KiB
C
85 строки
3.8 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef MCA_BASE_COMPONENT_REPOSITORY_H
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#define MCA_BASE_COMPONENT_REPOSITORY_H
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#include "opal_config.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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OMPI_DECLSPEC int mca_base_component_repository_init(void);
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/* This file provide the external interface to our base component
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* module. Most of the components that depend on it, will use the
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* retain_component() function to increase the reference count on a
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* particular component (as opposed to the retain() function, which is
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* internal to the opal/mca/base). But it's convenient to have all
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* the functions exported from one header file rather than to separate
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* retain_component() and retain() into two separate header files
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* (i.e., have a separate header file just for retain()).
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*
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* Note that internal to opal/mca/base, <ltdl.h> will *always* be
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* included before this file, and <ltdl.h> is not included anywhere
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* else in the OMPI tree. So checking for the LTDL_H preprocessor
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* macro is a good indicator as to whether this file is being included
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* from an opal/mca/base source file or not. If we are, then we need
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* already have a real definition of lt_dlhandle. If we are being
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* included from elsewhere, then <ltdl.h> will not previously have
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* been included, LTDL_H will not be defined, and we need a fake
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* definition of lt_dlhandle (or we'll get compile errors). So just
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* typedef it to (void*).
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*
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* One more case that this handles is the --disable-dlopen case. In
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* that case, even in opal/mca/base, we *won't* be including <ltdl.h>.
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* Hence, LTDL_H won't be defined, so we'll end up typedefing
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* lt_dlhandle to (void *). "But why does that matter?" you ask, "If
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* we configure with --disable-dlopen, then lt_dlhandle shouldn't be
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* used anywhere." Incorrect, Grasshopper. A small number of places
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* (like the retain() function) are still prototyped, but have 99% of
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* their innards #if'ed out -- i.e., they just return
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* OPAL_ERR_NOT_SUPPORTED. Why was it coded up this way? I'm not
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* entirely sure -- there may be a reason (and that reason may just be
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* conservative coding), but I'm not really too inspired to look into
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* it any further at this point. :-)
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*/
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#if !defined(LTDL_H)
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typedef void *lt_dlhandle;
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#endif
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OMPI_DECLSPEC int mca_base_component_repository_retain(char *type,
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lt_dlhandle component_handle,
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const mca_base_component_t *component_struct);
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OMPI_DECLSPEC int mca_base_component_repository_retain_component(const char *type,
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const char *name);
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OMPI_DECLSPEC int mca_base_component_repository_link(const char *src_type,
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const char *src_name,
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const char *depend_type,
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const char *depend_name);
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OMPI_DECLSPEC void mca_base_component_repository_release(const mca_base_component_t *component);
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OMPI_DECLSPEC void mca_base_component_repository_finalize(void);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif /* MCA_BASE_COMPONENT_REPOSITORY_H */
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